Screen Gesture Image Capture via Template Matching
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Solution Overview
Problem
Existing electronic devices face limitations in capturing images due to reliance on fixed shutter buttons, which can be inconvenient and restrictive, especially when users cannot locate or interact with them effectively.
Innovation Solution
A method and device that allow image capture through various user inputs such as touches, swipes, gestures, or combinations thereof, sensed by touch or proximity sensors, and compared to predefined templates stored in the device's memory, enabling capture from any area on the screen or above it, with optional focus adjustment and image capturing identifiers.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a fixed shutter button is used for image capture, then the device structure is simple, but the ease of operation deteriorates when users cannot locate or interact with the button effectively
Solution Approach 1:
The screen surface is designed to serve multiple functions: it displays the preview image and simultaneously acts as the shutter button through template-based gesture recognition. Any area on the screen can capture an image when the user performs a predefined gesture, eliminating the need for a dedicated shutter button location.
Solution Approach 2:
The physical mechanical shutter button is replaced with a touch-based or gesture-based input system. The sensor detects user inputs (touches, swipes, gestures) and the processor compares these inputs against stored templates to trigger image capture, substituting mechanical interaction with electronic sensing and pattern recognition.
2Adaptability or versatility
If a fixed shutter button location is used, then the device design is straightforward, but the adaptability deteriorates when users need to capture images from different screen areas
Solution Approach 1:
The entire screen surface becomes a universal capture zone. Instead of a single fixed button location, any area on the screen can initiate image capture when the user performs the appropriate gesture, allowing flexible interaction from anywhere on the display.
Solution Approach 2:
The system dynamically determines the capture function based on the user's gesture rather than having a fixed functional location. The processor analyzes the gesture characteristics (touch position, movement pattern, duration) and dynamically triggers the capture function when the gesture matches a stored template, making the functionality adaptive rather than static.
3Ease of operation
If traditional shutter buttons are used, then the interaction method is simple, but the ease of operation deteriorates for users who cannot effectively interact with the button
Solution Approach 1:
The mechanical shutter button interaction is replaced with sensor-based detection of touches, swipes, and gestures. The sensor captures user input and the processor compares it against stored gesture templates, enabling more intuitive and accessible interaction methods that do not require precise button pressing.
Solution Approach 2:
The system recognizes multiple gesture parameters including touch position, movement direction, swipe length, and gesture duration. By comparing these parameters against stored templates, the system provides flexible interaction options that accommodate different user needs and abilities, making operation easier for diverse user groups.
Data Source
AI summary
A method of capturing an image in a device and the device thereof are provided. The method comprises displaying a preview of an image to be captured on a screen of the device; allowing a user to execute an action input through a spatial relationship with a region, wherein the region is any area on the surface of the screen; sensing the action input; comparing the action input to a template stored in a memory of the device, wherein the template is associated with image capturing; and capturing the image if the action input substantially matches the template. The method of capturing images in the device and the device thereof provided by the present disclosure permit a user to easily capture images without clicking a fixed area on the screen.